Prokaryotic cells do not have a nucleus.
Answer:
Sources of Vitamin K
Vitamin K is found in a number of foods, including leafy greens, cauliflower and, if you consider it a food, liver. However, the chief source of vitamin K is synthesis by bacteria in the large intestine, and in most cases, absence of dietary vitamin K is not at all deleterious.
Explanation:
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Washing would only transfer the waste somewhere else, it wouldn't actually "clean".
processing it could be used to make bio gas.
that bio gas can be used as fuel. or it can be used to make manure.
Answer;
The respiratory system supplies the oxygen that the cardiovascular system transports to the different cells for the production of energy.
Explanation;
-The function of the respiratory system is to add oxygen to the blood and remove carbon dioxide.
-The circulatory system carries blood throughout the body via an intricate network of arteries and veins.
-The respiratory and circulatory systems bring oxygen and nutrients to the cells. Both systems work together to maintain homeostasis.
